@font-face {
  font-family: 'webfont';
  font-display: swap;
  src: url('../font/webfont.woff') format('woff'), /* chrome、firefox */
}
body{
  width: 100vw;
  height: 100vh;
  background-color: skyblue;
  display: flex;
  justify-content: center;
  // background: url('../img/bg.jpg');
  font-family: webfont !important;
  span{
    display: flex;
    justify-content: center;
    align-items: center;
  }
}